EXHAUST HEAT-UTILIZING SYSTEM OF SMALL-SCALE COGENERATION

PROBLEM TO BE SOLVED: To provide the exhaust heat-utilizing system of a small-scale cogeneration capable of performing space hating utilizing the exhaust heat of a small-sized cogeneration source through the thermal storage of the stored water in a water storage tank even in the case when the operat...

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Bibliographische Detailangaben
1. Verfasser:	KIKUZAWA HIROTADA
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DOMESTIC HOT-WATER SUPPLY SYSTEMS DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATINGSYSTEMS ELEMENTS OR COMPONENTS THEREFOR FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING RANGES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide the exhaust heat-utilizing system of a small-scale cogeneration capable of performing space hating utilizing the exhaust heat of a small-sized cogeneration source through the thermal storage of the stored water in a water storage tank even in the case when the operation of the small- sized cogeneration source is stopped and having the reduced depth of the water storage tank. SOLUTION: When the operation of a fuel cell 11 is started, the stored water in hot water storage tanks 15A, 15B and 15C after passing through the first heat exchanger 13 and the second heat exchanger 18 is circulated by a circulating pump 14. Consequently, the exhaust heat of the fuel cell 11 is stored as the sensible heat of the stored water in the hot water storage tanks 15A, 15B and 15C. Moreover, the fluid flowing a heating line L4 is heated by the sensible heat of the stored water in the hot water storage tanks 15A, 15B and 15C by the second heat exchanger 18, even when the operation of the small-sized fuel cell 11 is stopped.